A survey of 2,000 kids between the ages of 14 to 17 found that 25% intend to use Facebook less and Google+ more now that Facebook has added a long list of changes. Some 10% said that the changes will make them drop Facebook completely.
A whopping 45% of teens surveyed find Facebook's new look "cluttered" and 35% feel "uncomfortable" with the the new approach to Facebook sharing.
http://www.grownupthinking.com/index.php/2011/10/07/teens-weigh-in-on-facebook-changes-2/